How much time does an astronomer need to get that great picture? We'll talk with scientists about how they determine their experiments, and learn what it takes to make their case for a few minutes of the telescope's time.

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: corks!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: marshmallow Peeps!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: Chanukah candles!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: ping pong balls!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: compact ∂iscs!

This episode of Sedge Thomson's West Coast Live radio show explores the places where science and entertainment intersect. In this broadcast: Singer-songwriter John Gorka; Bert Grant, founder of Grant's Brewery; a view from the studio of artist Meredith Tromble; author of "Fisherman's Son" Michael Koepf.

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers have ten minutes to create a science activity. This week’s “secret” ingredient: rulers and meter sticks!

Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, the Jim Clark Endowment for Internet Education, the McBean Family Foundation.

Bandwidth and infrastructure support for connectivity to the California Research and Education Network and to other Internet2-connected networks provided by the Corporation for Educational Networks Initiatives in California (CENIC).